Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

NXX: 251

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-251 A Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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